EXPERIMENT STATION RECORD. 



Editor: E. W. ALLEN, Ph. D., Assistant Director. 

 Assistant Editor: H. L. Knight. 



EDITORIAL DEPARTMENTS. 



Agricultural Chemistry and Agrotechny — L. W. Fetzer, Ph. D., M. D. 



Meteorology, Soils, and Fertilizers {b.'w.' Tillman. 



Agricultural Botany, Bacteriology, Vegetable Pathology -j-^y" pj' l^j^^ ' 



-o- 1 ] ri fJ. I. SCHULTE. 



FieldCropsjj Q j^^^^j^ 



Horticulture and Forestry — E. J. Glasson. 



Foods and Human Nutrition — C. F. Langworthy, Ph. D. 



Zootechny, Dairying, and Dairy Farming — E. W. Morse. 



Economic Zoology and Entomology — W. A. Hooker. 



Tr X • TIT J- • fW. A. Hooker. 



Vetermary Medicine j^. w. Fetzer. 



Rural Engineering 



Rural Economics — J. B. Morman. 

 Agricultural Education — D. J. Crosby. 



CONTENTS OF VOL. XXIV, NO. 4. 



Page. 



Recent work in agricultural science 301 



Notes 400 



SUBJECT LIST OF ABSTRACTS. 



agricultural chemistry — agrotechny. 



Studies of the changes occurring in heated soils, Pickering 301 



Chemical nature of soil organic matter, Schreiner and Shorey 301 



Studies of the ammonia-soluble organic matter of the soil, Fraps and Hamner. . 302 



The ammonia in soils, Russell 303 



Vegetable proteins, Osborne, trans, by Schlesinger 304 



The partial hydrolysis of proteins. — II, Fibrin-heteroalbumose, Levene et al... 304 



Refractive indexes of solutions of certain proteins. — II, Robertson 304 



Differentiation of proteins by the precipitin reaction, Welsh and Chapman 304 



The adsorption of acids by carbohydrates, Robinson 305 



Micro-photographic records of artificial sucrose-rafEnose crystals, Zitkowski... 305 



Viscosaccharase, an enzym which produces slime from cane sugar, Beijerinck. . 305 



The normal weight of dextrose, Browne - 305 



Time factors in the determination of nitrogen and other observations, Hibbard . . 306 



Note on the Kjeldahl estimation of nitrogen in fatty substances. Brown. 306 



Formaldehyde method for estimation of nitrogen in organic substances, Wright . . 306 



Volumetric determination of potassium by the cobalti-nitrite method, Shedd. . 307 



Quantitative analysis of animal tissue. — V, Estimation of chlorin, Koch 307 



Estimation of iodin and separation from other halogens, Seeker and Mathewson . 307 



Quantitative determination of ergot in flour, Bernhart 307 



Characteristics and external examination of honey. Van Giersbergen 308 



I 



